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An Introduction To Hellmann-Feynman Theory, David Wallace
An Introduction To Hellmann-Feynman Theory, David Wallace
Electronic Theses and Dissertations
The Hellmann-Feynman theorem is presented together with certain allied theorems. The origin of the Hellmann-Feynman theorem in quantum physical chemistry is described. The theorem is stated with proof and with discussion of applicability and reliability. Some adaptations of the theorem to the study of the variation of zeros of special functions and orthogonal polynomials are surveyed. Possible extensions are discussed.